Datasheet > 1812B274K251

1812B274K251

更新时间： 2024-04-09 18:48:44

品牌	Logo	应用领域
华新科技 - WALSIN		/
页数	文件大小	规格书
12页	3527K
描述
1812, X7R, 270nF, 250Vdc

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1812B274K251 数据手册

Multilayer Ceramic Capacitors

Approval Sheet

No.

Item

Test Condition

Requirements

* Conduct the five cycles according to the temperatures and

time.

12. Temperature

Cycle

* No remarkable damage.

* Cap change：

Step

Temp. (°C)

Min. operating temp. +0/-3

Room temp.

Time (min.)

30±3

NP0: within ±2.5％ or ±0.25pF whichever is larger.

X7R: within ±7.5%

2~3

* Q/D.F., I.R. and dielectric strength: To meet initial requirements.

Max. operating temp. +3/-0

Room temp.

30±3

2~3

*Before initial measurement (Class II only): To apply de-aging

at 150°C for 1hr then set for 24±2 hrs at room temp .

* Cap. / DF(Q) / I.R. Measurement to be made after de-aging

at 150°C for 1hr then set for 24±2 hrs at room temp .

* Test temp.: 40±2°C

13. Humidity

(Damp Heat)

Steady State

* No remarkable damage.

* Humidity: 90~95% RH

* Cap change: NP0: within ±5.0% or ±0.5pF whichever is larger.

X7R: within ±12.5%

* Test time: 500+24/-0hrs.

*Before initial measurement (Class II only): To apply de-aging * Q/D.F. value:

at 150°C for 1hr then set for 24±2 hrs at room temp .

* Cap. / DF(Q) / I.R. Measurement to be made after de-aging

at 150°C for 1hr then set for 24±2 hrs at room temp .

NP0: Cap≥30pF, Q≥350; 10pF≤Cap<30pF, Q≥275+2.5C

Cap<10pF; Q≥200+10C

X7R: ≤3.0%

* I.R.: ≥1GΩ or RxC≥50Ω-F whichever is smaller.

14. Humidity

(Damp Heat)

Load

* Test temp.: 40±2°C

* No remarkable damage.

* Humidity: 90~95%RH

* Cap change: NP0: within ±7.5% or ±0.75pF whichever is larger.

X7R: within ±12.5%

* Test time: 500+24/-0 hrs.

* To apply voltage：rated voltage (Max. 500V)

*Before initial measurement (Class II only): To apply de-aging

at 150°C for 1hr then set for 24±2 hrs at room temp .

* Cap. / DF(Q) / I.R. Measurement to be made after de-aging

at 150°C for 1hr then set for 24±2 hrs at room temp .

* Test temp.:

* Q/D.F. value:

NP0: Cap≥30pF, Q≥200; Cap<30pF, Q≥100+10/3C

X7R: ≤3.0%

* I.R.: ≥500MΩ or RxC≥25Ω-F whichever is smaller.

15. High

Temperature

Load

* No remarkable damage.

NP0, X7R: 125±3°C

* Cap change: NP0: within ±3.0% or ±0.3pF whichever is larger.

X7R: within ±12.5%

* To apply voltage:

(Endurance)

(1) 1206/NP0 (3kV) ≥1.5pF: 100% of rated voltage.

1812N472&1812N562(1KV): 100% of rated voltage.

(2) 200V~300V: 200% of rated voltage.

(3) 400V~450V: 120% of rated voltage.

(4) 500V: 150% of rated voltage.

* Q/D.F. value:

NP0: Cap≥30pF, Q≥350

10pF≤Cap<30pF, Q≥275+2.5C

Cap<10pF, Q≥200+10C

X7R: ≤3.0%

(5) 630V~3000V: 120% of rated voltage.

(6) 4000V: 110% of rated voltage.

* I.R.: ≥1GΩ or RxC≥50Ω-F whichever is smaller.

* Test time: 1000+24/-0 hrs.

*Before initial measurement (Class II only): To apply de-aging

at 150°C for 1hr then set for 24±2 hrs at room temp .

* Cap. / DF(Q) / I.R. Measurement to be made after de-aging at

150°C for 1hr then set for 24±2 hrs at room temp.

* "Room condition" Temperature: 15 to 35°C, Relativ e humidity: 25 to 75%, Atmospheric pressure: 86 to 106kPa.

Page 9 of 12

ASC_Middle & High Voltage

Jul. 2023

1...6 7 8910 11 12

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与1812B274K251相关器件

型号	品牌	获取价格	描述	数据表
1812B274K500	WALSIN	获取价格	1812, X7R, 270nF, 50Vdc
1812B274K501	WALSIN	获取价格	1812, X7R, 270nF, 500Vdc
1812B331K102	WALSIN	获取价格	1812, X7R, 330pF, 1000Vdc
1812B331K102NB	FH	获取价格	中高压多层片式陶瓷电容器
1812B331K102NT	FH	获取价格	中高压多层片式陶瓷电容器
1812B331K202	WALSIN	获取价格	1812, X7R, 330pF, 2000Vdc
1812B331K251	WALSIN	获取价格	1812, X7R, 330pF, 250Vdc
1812B331K302	WALSIN	获取价格	1812, X7R, 330pF, 3000Vdc
1812B331K302NT	FH	获取价格	中高压多层片式陶瓷电容器
1812B331K402	WALSIN	获取价格	1812, X7R, 330pF, 4000Vdc

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